package com.exception;

import java.util.Scanner;

public class MyException extends Exception{
        public MyException(){

        }

        public MyException(String message){
            super(message);
        }


    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int line = in.nextInt();
        int[][] ar = new int[line][];

        for (int i = 0; i < line; i++){
            ar[i] = new int[line-i];
        }

        for (int i = 0;i < line;i++){
            for (int j = 0;j < ar[i].length;j++){

            }
        }


    }
}
